Chemistry, 13.03.2021 03:20 kseniyayakimov
9)
Which expression represents the heat of reaction for a chemical change in terms of potential
energy, PE?
A)
(PEproducts) + (PEreactants)
B)
(PEproducts) - (PEreactants)
C)
(PEproducts) * (PEreactants)
D)
(PEproducts) + (PEreactants)
Answers: 3
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Answers: 2
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In the lab, ammonia was mixed with water to form ammonium hydroxide. what is/are the reactant(s)? o water and ammonia o ammonia o ammonium hydroxide need
Answers: 2
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What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.
Answers: 1
9)
Which expression represents the heat of reaction for a chemical change in terms of potential
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